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Original file line number | Diff line number | Diff line change |
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cmake_minimum_required(VERSION 2.4.4...3.15.0) | ||
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON) | ||
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project(zlib C) | ||
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set(VERSION "1.3.1") | ||
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option(ZLIB_BUILD_EXAMPLES "Enable Zlib Examples" ON) | ||
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set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables") | ||
set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries") | ||
set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers") | ||
set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages") | ||
set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files") | ||
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include(CheckTypeSize) | ||
include(CheckFunctionExists) | ||
include(CheckIncludeFile) | ||
include(CheckCSourceCompiles) | ||
enable_testing() | ||
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check_include_file(sys/types.h HAVE_SYS_TYPES_H) | ||
check_include_file(stdint.h HAVE_STDINT_H) | ||
check_include_file(stddef.h HAVE_STDDEF_H) | ||
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# | ||
# Check to see if we have large file support | ||
# | ||
set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1) | ||
# We add these other definitions here because CheckTypeSize.cmake | ||
# in CMake 2.4.x does not automatically do so and we want | ||
# compatibility with CMake 2.4.x. | ||
if(HAVE_SYS_TYPES_H) | ||
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H) | ||
endif() | ||
if(HAVE_STDINT_H) | ||
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H) | ||
endif() | ||
if(HAVE_STDDEF_H) | ||
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H) | ||
endif() | ||
check_type_size(off64_t OFF64_T) | ||
if(HAVE_OFF64_T) | ||
add_definitions(-D_LARGEFILE64_SOURCE=1) | ||
endif() | ||
set(CMAKE_REQUIRED_DEFINITIONS) # clear variable | ||
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# | ||
# Check for fseeko | ||
# | ||
check_function_exists(fseeko HAVE_FSEEKO) | ||
if(NOT HAVE_FSEEKO) | ||
add_definitions(-DNO_FSEEKO) | ||
endif() | ||
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# | ||
# Check for unistd.h | ||
# | ||
check_include_file(unistd.h Z_HAVE_UNISTD_H) | ||
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if(MSVC) | ||
set(CMAKE_DEBUG_POSTFIX "d") | ||
add_definitions(-D_CRT_SECURE_NO_DEPRECATE) | ||
add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) | ||
include_directories(${CMAKE_CURRENT_SOURCE_DIR}) | ||
endif() | ||
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if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR) | ||
# If we're doing an out of source build and the user has a zconf.h | ||
# in their source tree... | ||
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h) | ||
message(STATUS "Renaming") | ||
message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h") | ||
message(STATUS "to 'zconf.h.included' because this file is included with zlib") | ||
message(STATUS "but CMake generates it automatically in the build directory.") | ||
file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included) | ||
endif() | ||
endif() | ||
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set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc) | ||
configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein | ||
${ZLIB_PC} @ONLY) | ||
configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein | ||
${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY) | ||
include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR}) | ||
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#============================================================================ | ||
# zlib | ||
#============================================================================ | ||
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set(ZLIB_PUBLIC_HDRS | ||
${CMAKE_CURRENT_BINARY_DIR}/zconf.h | ||
zlib.h | ||
) | ||
set(ZLIB_PRIVATE_HDRS | ||
crc32.h | ||
deflate.h | ||
gzguts.h | ||
inffast.h | ||
inffixed.h | ||
inflate.h | ||
inftrees.h | ||
trees.h | ||
zutil.h | ||
) | ||
set(ZLIB_SRCS | ||
adler32.c | ||
compress.c | ||
crc32.c | ||
deflate.c | ||
gzclose.c | ||
gzlib.c | ||
gzread.c | ||
gzwrite.c | ||
inflate.c | ||
infback.c | ||
inftrees.c | ||
inffast.c | ||
trees.c | ||
uncompr.c | ||
zutil.c | ||
) | ||
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if(NOT MINGW) | ||
set(ZLIB_DLL_SRCS | ||
win32/zlib1.rc # If present will override custom build rule below. | ||
) | ||
endif() | ||
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# parse the full version number from zlib.h and include in ZLIB_FULL_VERSION | ||
file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents) | ||
string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*" | ||
"\\1" ZLIB_FULL_VERSION ${_zlib_h_contents}) | ||
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if(MINGW) | ||
# This gets us DLL resource information when compiling on MinGW. | ||
if(NOT CMAKE_RC_COMPILER) | ||
set(CMAKE_RC_COMPILER windres.exe) | ||
endif() | ||
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add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj | ||
COMMAND ${CMAKE_RC_COMPILER} | ||
-D GCC_WINDRES | ||
-I ${CMAKE_CURRENT_SOURCE_DIR} | ||
-I ${CMAKE_CURRENT_BINARY_DIR} | ||
-o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj | ||
-i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc) | ||
set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj) | ||
endif(MINGW) | ||
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add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) | ||
target_include_directories(zlib PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) | ||
add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) | ||
target_include_directories(zlibstatic PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) | ||
set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) | ||
set_target_properties(zlib PROPERTIES SOVERSION 1) | ||
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if(NOT CYGWIN) | ||
# This property causes shared libraries on Linux to have the full version | ||
# encoded into their final filename. We disable this on Cygwin because | ||
# it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll | ||
# seems to be the default. | ||
# | ||
# This has no effect with MSVC, on that platform the version info for | ||
# the DLL comes from the resource file win32/zlib1.rc | ||
set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION}) | ||
endif() | ||
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if(UNIX) | ||
# On unix-like platforms the library is almost always called libz | ||
set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z) | ||
if(NOT APPLE AND NOT(CMAKE_SYSTEM_NAME STREQUAL AIX)) | ||
set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"") | ||
endif() | ||
elseif(BUILD_SHARED_LIBS AND WIN32) | ||
# Creates zlib1.dll when building shared library version | ||
set_target_properties(zlib PROPERTIES SUFFIX "1.dll") | ||
endif() | ||
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if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) | ||
install(TARGETS zlib zlibstatic | ||
RUNTIME DESTINATION "${INSTALL_BIN_DIR}" | ||
ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" | ||
LIBRARY DESTINATION "${INSTALL_LIB_DIR}" ) | ||
endif() | ||
if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) | ||
install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}") | ||
endif() | ||
if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) | ||
install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3") | ||
endif() | ||
if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) | ||
install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}") | ||
endif() | ||
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#============================================================================ | ||
# Example binaries | ||
#============================================================================ | ||
if(ZLIB_BUILD_EXAMPLES) | ||
add_executable(example test/example.c) | ||
target_link_libraries(example zlib) | ||
add_test(example example) | ||
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add_executable(minigzip test/minigzip.c) | ||
target_link_libraries(minigzip zlib) | ||
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if(HAVE_OFF64_T) | ||
add_executable(example64 test/example.c) | ||
target_link_libraries(example64 zlib) | ||
set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") | ||
add_test(example64 example64) | ||
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add_executable(minigzip64 test/minigzip.c) | ||
target_link_libraries(minigzip64 zlib) | ||
set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") | ||
endif() | ||
endif() |
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